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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryWinterthurPolybloc AG
Polybloc AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Polybloc AG develops, manufactures and distributes heat exchangers and energy recovery systems for industrial applications. The core activities include the development and design of products such as plate heat exchangers, cross-flow/counter-flow heat exchangers, indirect adiabatic cooling systems and regenerative energy recovery systems.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered5
Heat exchanger
Heat exchangers for ventilation, industrial and energy recovery applications, designed for high efficiency, low maintenance and customised design.
Enthalpy plate heat exchanger (VAPOBLOC)
Enthalpy plate heat exchangers for residential and commercial ventilation with moisture and heat recovery, hygienic separation of air streams and variants for different air volumes.
Industrial heat exchanger (POLYBLOC)
Custom cross-flow heat exchangers for industrial heat recovery and special applications, also for extract air, flue gas and process air under demanding conditions.
Indirect adiabatic cooling (SOFTCOOL)
Indirect evaporative cooling for supply air with low water demand, without refrigerant, for public facilities, airports, swimming pools, offices and data centres.
Regenerative energy recovery (ACCUBLOC)
Regenerative heat recovery for large air volumes in office buildings, universities, shopping centres, airports and industrial halls, with high efficiency and compact installation.
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4.3/5

Polybloc AG

Trust & reputation

ranQ Trust Score of Polybloc AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Polybloc AG scores 71.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.78.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.49.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.78.08%
Polybloc AG scores 92.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.82.07%
Polybloc AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Polybloc AG scores 68.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Polybloc AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 6 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Comparisons

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Location

Fröschenweidstrasse 12
8404 Winterthur
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.287.279
Founded
1982 · 44 years
Last commercial register change
March 13, 2026
Employees
21 to 50
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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